#211A23

Closest named color: Rich Black (#0D1B2A). oklch(23% 0.02 318.7), rgb(33, 26, 35).

Aa

White text reads best on this color (16.98:1).

About this color

#211A23 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.036 away. White text reads best on it, at 16.98:1.

Hue familyNeutrals
Lightnessvery dark (23%)
Chromaclose to neutral grey (0.020)
Temperatureneutral
Nearest nameRich Black (#0D1B2A)
Black text1.23:1
White text16.98:1

Values

HEX#211A23
RGBrgb(33, 26, 35)
HSLhsl(287, 15%, 12%)
OKLCHoklch(23% 0.02 318.7)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #211A23 16.98:1 AAA Lc -106.2 Preferred for body text
Black text on #211A23 1.23:1 Fails Lc 0.0 Not readable
#211A23 text on white 16.98:1 AAA Lc 103.9 Preferred for body text
#211A23 text on black 1.23:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #F6F5F7

    oklch(97.1% 0.003 308.4)

  2. Step 100

    100

    #ECE8ED

    oklch(93.6% 0.008 319.4)

  3. Step 200

    200

    #DDD6DF

    oklch(88.4% 0.014 318.7)

  4. Step 300

    300

    #C7BCCB

    oklch(80.9% 0.024 317.1)

  5. Step 400

    400

    #AB99B0

    oklch(70.6% 0.039 318.8)

  6. Step 500

    500

    #96819D

    oklch(63.2% 0.048 317.6)

  7. Step 600

    600

    #816A87

    oklch(55.7% 0.052 319.2)

  8. Step 700

    700

    #6D5873

    oklch(49.1% 0.049 318.6)

  9. Step 800

    800

    #59485D

    oklch(42.7% 0.04 319.8)

  10. Step 900

    900

    #493C4C

    oklch(37.6% 0.032 319.9)

  11. Step 950

    950 (this color)

    #211A23

    oklch(23% 0.02 318.7)

Export this scale for Tailwind in the Tailwind colors tool

#211A23 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#191C230.016
Deuteranopia (no green cones)#1B1D230.015
Tritanopia (no blue cones)#211B1D0.013
Achromatopsia (no color)#1C1C1C0.020

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #211A23

    #211A23

    oklch(23% 0.02 318.7)

  • #181F16

    #181F16

    oklch(22.9% 0.02 138.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #211A23

    #211A23

    oklch(23% 0.02 318.7)

  • #1C1B26

    #1C1B26

    oklch(22.8% 0.021 288.8)

  • #24191E

    #24191E

    oklch(22.9% 0.02 349.8)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #211A23

    #211A23

    oklch(23% 0.02 318.7)

  • #1E1E13

    #1E1E13

    oklch(23.1% 0.02 107.9)

  • #14201B

    #14201B

    oklch(23% 0.02 167)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #211A23

    #211A23

    oklch(23% 0.02 318.7)

  • #221C12

    #221C12

    oklch(23% 0.02 80.2)

  • #112020

    #112020

    oklch(23% 0.021 195.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #211A23

    #211A23

    oklch(23% 0.02 318.7)

  • #251A15

    #251A15

    oklch(23% 0.02 45.6)

  • #181F16

    #181F16

    oklch(22.9% 0.02 138.8)

  • #131F24

    #131F24

    oklch(23% 0.019 225.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #211A23, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #211A23 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.